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Major lab testing company hacked; 34K peoples' info obtained

Samples are aliquoted at Quest Diagnostics Nichols Institute outside San Juan Capistrano. Quest Diagnostics is a leading provider of prenatal and genetic mutation tests.

Quest Diagnostics announced late Monday that it is investigating an unauthorized intrusion into its network that exposed data from about 34,000 individuals.

The hack took place on November 26 through the MyQuest by Care internet application, the company said. In a news release, the lab services company said it notified the affected individuals via mail, and there is no indication that their information has been misused in any way.

"The accessed data included name, date of birth, lab results, and in some instances, telephone numbers," the company said. "The information did not include Social Security numbers, credit card information, insurance or other financial information."

The company said it is working with a cybersecurity firm to prevent similar incidents from happening in the future, and that the investigation is ongoing.

The company's stock fell less than 1 percent in extended trade, following the announcement.